Primeiros testes unitários em C# com xUnit (parte 1) - Método de teste

Test3.cs

[Fact(DisplayName = "Given valid numbers, when sum then should succcess.")]
public void GivenValidNumbers_WhenSum_ThenShouldSucccess()
{
    //arrange
    const int resultExpected = 5;
    const int firstNumber = 3;
    const int secondNumber = 2;

    //act
    var resultActual = Calculator.Sum(firstNumber, secondNumber);

    //assert
    Assert.Equal(resultExpected, resultActual);
}